Communication apparatus, communication method, and storage medium

Abstract

To provide a communication apparatus capable of inferring the link state of a communication path and suitably reacting to the link state. The communication apparatus includes at least one processor. The at least one processor carries out: a process of detecting an error by subjecting a signal received by communication to signal processing; a process of inferring a link state of a communication path based at least on duration of the error; and a process of providing notification of information related to the link state.

1 . A communication apparatus comprising at least one processor, the at least one processor carrying out:
 a process of detecting an error by subjecting a signal received by communication to signal processing;   a process of inferring a link state of communication path based at least on duration of the error; and   a process of providing notification of information related to the link state.   
     
     
         2 . The communication apparatus according to  claim 1 , wherein in the inferring process, the at least one processor infers the link state of the communication path based on the duration of the error and frequency of the error. 
     
     
         3 . The communication apparatus according to  claim 2 , wherein
 in the inferring process, the at least one processor sets, to an effective bandwidth for the communication, a value obtained by subtracting, from a bandwidth in a case where no interference occurs, a value obtained by multiplying the duration of the error and the frequency of the error, and   in the notification providing process, the at least one processor provides notification of the effective bandwidth.   
     
     
         4 . The communication apparatus according to  claim 1 , wherein in the inferring process, the at least one processor infers suitability of the communication path for use by an application configured to utilize communication based on a type of the application and the link state. 
     
     
         5 . The communication apparatus according to  claim 1 , wherein
 the communication is free space optical communication,   the at least one processor further carries out a process of converting an optical signal received by the free space optical communication into an electric signal, and   in the error detecting process, the at least one processor detects the error by subjecting the electric signal to signal processing.   
     
     
         6 . A communication method comprising:
 detecting an error by subjecting a signal received by communication to signal processing;   inferring a link state of a communication path based at least on duration of the error; and   providing notification of information related to the link state.   
     
     
         7 . The communication method according to  claim 6 , wherein in the inferring, the link state of the communication path is inferred based on the duration of the error and frequency of the error. 
     
     
         8 . The communication method according to  claim 7 , wherein in the inferring, a value is set to an effective bandwidth for the communication, the value being obtained by subtracting, from a bandwidth in a case where no interference occurs, a value obtained by multiplying the duration of the error and the frequency of the error, and
 in the providing of notification, notification of the effective bandwidth is provided.   
     
     
         9 . The communication method according to  claim 6 , wherein in the inferring, suitability of the communication path for use by an application configured to utilize the communication is inferred based on a type of the application and the link state. 
     
     
         10 . The communication method according to  claim 6 , wherein
 the communication is free space optical communication,   the method further comprises converting an optical signal received by the free space optical communication into an electric signal, and   in the detecting of the error, the error is detected by subjecting the electric signal to signal processing.   
     
     
         11 . A non-transitory storage medium that stores a program for causing a computer to carry out:
 a process of detecting an error by subjecting a signal received by communication to signal processing;   a process of inferring a link state of a communication path based at least on duration of the error; and   a process of providing notification of information related to the link state.   
     
     
         12 . The non-transitory storage medium according to  claim 11 , wherein in the inferring process, the link state of the communication path is inferred based on the duration of the error and frequency of the error. 
     
     
         13 . The non-transitory storage medium according to  claim 12 , wherein
 in the inferring process, a value obtained by subtracting, from a bandwidth in a case where no interference occurs, a value obtained by multiplying the duration of the error and the frequency of the error, is set to an effective bandwidth for the communication, and   in the notification providing process, notification of the effective bandwidth is provided.   
     
     
         14 . The non-transitory storage medium according to  claim 11 , wherein in the inferring process, suitability of the communication path for use by an application configured to utilize the communication is inferred based on a type of the application and the link state. 
     
     
         15 . The non-transitory storage medium according to  claim 11 , wherein
 the communication is free space optical communication,   the program further causes the computer to carry out a process of converting an optical signal received by the free space optical communication into an electric signal, and   in the error detecting process, the error is detected by subjecting the electric signal to signal processing.